Season Calendar
yamagata 3
Nov Dec Jan Feb Mar Apr May
Zao Onsen
Gassan
Tengendai Kogen
yamagata
- Zao Onsen 2025-12-01 — 2026-05-05 Closed
- Gassan 2026-04-10 — 2026-07-31 Open
- Tengendai Kogen 2025-12-01 — 2026-05-06 Closed
6 resorts omitted (season dates not confirmed)